题目内容

O'Neal works hard.He is often seen _______ heavily before his teammates have even arrived at practice.

A.sweated

B.to be sweated

C.sweating

D.being sweated

 

【答案】

C

【解析】非谓语动词的考查是本题的目的。see somebody doing表示看见某人一直正在干某事,题干中只是将主动变成了被动。

 

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